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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 977202Generated: October 30, 2026

Barbituric Acid → HCID 15292573, compound

https://huagongshe.com/reaction/977202

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBarbituric AcidHCID 6211—
ReactantThionyl ChlorideHCID 24386—
Reactant3,4-Dihydroxy-5-nitrobenzaldehydeHCID 5748957—
SolventIsopropanolHCID 3776—
ProductHCID 15292573HCID 15292573—

Reaction Steps

To a solution containing 1.28 g (0.01 mol) of barbituric acid and 1.83 g (0.01 mol) of 3,4-dihydroxy-5-nitrobenzaldehyde in 20 ml of 2-propanol was gradually added 5.0 ml of thionyl chloride. The mixture was stirred for 100 h at room temperature. The product was filtered, washed with 2-propanol and recrystallized from acetic acid. Yield 1.28 g (44%) , mp 269°-272° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05614541
Source datasetuspto-grants-1997_03
ORD IDord-6b5e40a673144c888620b138934c6f86
Source noteuspto-grants-1997_03